##############################################################################
# Copyright (c) 2016 Dan Radez (Red Hat)
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################

import os

from nose.tools import (
    assert_equal,
    assert_is_instance,
    assert_raises)

from apex import Inventory
from apex.inventory.inventory import InventoryException
from apex.tests.constants import TEST_CONFIG_DIR

inventory_files = ('intel_pod2_settings.yaml',
                   'nokia_pod1_settings.yaml',
                   'pod_example_settings.yaml')

files_dir = os.path.join(TEST_CONFIG_DIR, 'inventory')


class TestInventory:
    @classmethod
    def setup_class(cls):
        """This method is run once for each class before any tests are run"""

    @classmethod
    def teardown_class(cls):
        """This method is run once for each class _after_ all tests are run"""

    def setup(self):
        """This method is run once before _each_ test method is executed"""

    def teardown(self):
        """This method is run once after _each_ test method is executed"""

    def test_init(self):
        for f in inventory_files:
            i = Inventory(os.path.join(files_dir, f))
            assert_equal(i.dump_instackenv_json(), None)

        # test virtual
        i = Inventory(i, virtual=True)
        assert_equal(i.dump_instackenv_json(), None)

        # Remove nodes to violate HA node count
        while len(i['nodes']) >= 5:
            i['nodes'].pop()
        assert_raises(InventoryException,
                      Inventory, i)

        # Remove nodes to violate non-HA node count
        while len(i['nodes']) >= 2:
            i['nodes'].pop()
        assert_raises(InventoryException,
                      Inventory, i, ha=False)

    def test_exception(self):
        e = InventoryException("test")
        print(e)
        assert_is_instance(e, InventoryException)